‘Glee’ 100th Episode: Dianna Agron Joins the Reunion

'Glee' 100th Episode: Dianna Agron Joins the Reunion

Agron joins Mark Salling, Amber Riley, Heather Morris and Harry Shum Jr. in returning to Fox series

Quinn Fabray is getting in on the “Glee” 100th episode action.

Dianna Agron, known for playing Fabray on the Fox musical series, has signed on for the celebratory installment, which is turning out to be a full-blown reunion of the original cast.

Also read: ‘Glee’ 100th Episode: Heather Morris and Others Set to Return

“Glee” co-creator Ryan Murphy tweeted the news of Agron's return on Thursday, writing, “Dianna is IN for Glee 100th!”

Agron, whose last appearance on the series was in February, joins fellow “Glee” alumni Mark Salling, Amber Riley, Heather Morris and Harry Shum Jr. in signing on for the special episode, which airs March 18.

Also read: ‘Glee’ Full Original Cast Invited to Return for 100th Episode

The 100th episode will focus on the latest batch of McKinley High seniors preparing for graduation while reminiscing about their most memorable moments at the school.

The songs performed for the 100th episode will be determined by fans, who will vote among 30 tunes previously performed on the series. The top 10 vote-getters will be remixed and performed by the cast.